/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:18:13,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:18:13,691 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:18:13,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:18:13,735 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:18:13,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:18:13,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:18:13,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:18:13,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:18:13,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:18:13,759 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:18:13,760 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 22:18:13,761 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 22:18:13,762 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 22:18:13,764 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 22:18:13,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 22:18:13,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 22:18:13,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 22:18:13,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 22:18:13,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 22:18:13,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 22:18:13,779 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 22:18:13,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 22:18:13,783 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 22:18:13,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 22:18:13,794 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 22:18:13,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 22:18:13,798 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 22:18:13,799 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 22:18:13,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 22:18:13,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 22:18:13,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 22:18:13,804 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 22:18:13,808 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 22:18:13,810 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 22:18:13,810 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 22:18:13,811 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 22:18:13,812 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 22:18:13,812 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:18:13,813 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:18:13,814 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:18:13,816 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 22:18:13,845 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:18:13,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:18:13,846 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:18:13,846 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:18:13,847 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:18:13,848 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:18:13,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:18:13,849 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:18:13,849 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:18:13,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:18:13,849 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:18:13,850 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:18:13,850 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:18:13,850 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:18:13,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:18:13,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:18:13,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:18:13,851 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:18:13,851 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:18:13,851 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:18:13,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:18:13,852 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:18:13,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:18:13,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:18:13,853 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:18:13,853 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:18:13,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:18:13,853 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:18:13,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:18:13,854 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:18:13,854 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:18:13,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:18:13,854 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:18:13,855 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:18:14,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:18:14,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:18:14,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:18:14,250 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:18:14,251 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:18:14,253 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c [2022-10-15 22:18:14,328 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5f70a387/2836895daad94bfd80c4282bcbe05345/FLAG853ca01f8 [2022-10-15 22:18:15,111 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:18:15,112 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c [2022-10-15 22:18:15,132 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5f70a387/2836895daad94bfd80c4282bcbe05345/FLAG853ca01f8 [2022-10-15 22:18:15,411 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5f70a387/2836895daad94bfd80c4282bcbe05345 [2022-10-15 22:18:15,415 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:18:15,422 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:18:15,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:18:15,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:18:15,429 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:18:15,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:18:15" (1/1) ... [2022-10-15 22:18:15,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e6937e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:18:15, skipping insertion in model container [2022-10-15 22:18:15,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:18:15" (1/1) ... [2022-10-15 22:18:15,442 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:18:15,520 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:18:15,791 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c[9243,9256] [2022-10-15 22:18:15,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:18:15,883 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:18:15,989 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c[9243,9256] [2022-10-15 22:18:16,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:18:16,091 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:18:16,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:18:16 WrapperNode [2022-10-15 22:18:16,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:18:16,097 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:18:16,097 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:18:16,097 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:18:16,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:18:16" (1/1) ... [2022-10-15 22:18:16,137 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:18:16" (1/1) ... [2022-10-15 22:18:16,254 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 802 [2022-10-15 22:18:16,255 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:18:16,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:18:16,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:18:16,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:18:16,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:18:16" (1/1) ... [2022-10-15 22:18:16,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:18:16" (1/1) ... [2022-10-15 22:18:16,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:18:16" (1/1) ... [2022-10-15 22:18:16,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:18:16" (1/1) ... [2022-10-15 22:18:16,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:18:16" (1/1) ... [2022-10-15 22:18:16,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:18:16" (1/1) ... [2022-10-15 22:18:16,336 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:18:16" (1/1) ... [2022-10-15 22:18:16,340 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:18:16" (1/1) ... [2022-10-15 22:18:16,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:18:16,349 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:18:16,349 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:18:16,349 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:18:16,350 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:18:16" (1/1) ... [2022-10-15 22:18:16,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:18:16,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:18:16,404 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 22:18:16,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 22:18:16,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:18:16,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:18:16,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:18:16,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:18:16,707 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:18:16,711 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:18:17,640 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:18:17,653 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:18:17,653 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:18:17,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:18:17 BoogieIcfgContainer [2022-10-15 22:18:17,657 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:18:17,660 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:18:17,660 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:18:17,665 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:18:17,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:18:15" (1/3) ... [2022-10-15 22:18:17,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38278906 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:18:17, skipping insertion in model container [2022-10-15 22:18:17,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:18:16" (2/3) ... [2022-10-15 22:18:17,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38278906 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:18:17, skipping insertion in model container [2022-10-15 22:18:17,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:18:17" (3/3) ... [2022-10-15 22:18:17,669 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c [2022-10-15 22:18:17,694 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:18:17,694 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2022-10-15 22:18:17,775 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:18:17,785 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@344587d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:18:17,786 INFO L358 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2022-10-15 22:18:17,793 INFO L276 IsEmpty]: Start isEmpty. Operand has 292 states, 233 states have (on average 1.8197424892703862) internal successors, (424), 291 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:17,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-15 22:18:17,805 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:17,807 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:17,807 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-15 22:18:17,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:17,815 INFO L85 PathProgramCache]: Analyzing trace with hash 567370515, now seen corresponding path program 1 times [2022-10-15 22:18:17,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:17,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034532943] [2022-10-15 22:18:17,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:17,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:18,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:18,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:18,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:18,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034532943] [2022-10-15 22:18:18,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034532943] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:18,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:18,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:18:18,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362167151] [2022-10-15 22:18:18,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:18,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:18:18,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:18,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:18:18,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:18:18,638 INFO L87 Difference]: Start difference. First operand has 292 states, 233 states have (on average 1.8197424892703862) internal successors, (424), 291 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:19,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:19,253 INFO L93 Difference]: Finished difference Result 619 states and 873 transitions. [2022-10-15 22:18:19,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:18:19,261 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-10-15 22:18:19,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:19,282 INFO L225 Difference]: With dead ends: 619 [2022-10-15 22:18:19,283 INFO L226 Difference]: Without dead ends: 602 [2022-10-15 22:18:19,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:18:19,291 INFO L413 NwaCegarLoop]: 317 mSDtfsCounter, 965 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 965 SdHoareTripleChecker+Valid, 651 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:19,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [965 Valid, 651 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:18:19,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2022-10-15 22:18:19,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 416. [2022-10-15 22:18:19,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 360 states have (on average 1.5777777777777777) internal successors, (568), 415 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:19,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 568 transitions. [2022-10-15 22:18:19,383 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 568 transitions. Word has length 63 [2022-10-15 22:18:19,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:19,384 INFO L495 AbstractCegarLoop]: Abstraction has 416 states and 568 transitions. [2022-10-15 22:18:19,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:19,385 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 568 transitions. [2022-10-15 22:18:19,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-15 22:18:19,387 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:19,387 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:19,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:18:19,388 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-15 22:18:19,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:19,389 INFO L85 PathProgramCache]: Analyzing trace with hash 408617021, now seen corresponding path program 1 times [2022-10-15 22:18:19,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:19,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415451550] [2022-10-15 22:18:19,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:19,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:19,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:19,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:19,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:19,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415451550] [2022-10-15 22:18:19,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415451550] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:19,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:19,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:18:19,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369456753] [2022-10-15 22:18:19,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:19,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:18:19,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:19,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:18:19,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:18:19,657 INFO L87 Difference]: Start difference. First operand 416 states and 568 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:19,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:19,944 INFO L93 Difference]: Finished difference Result 571 states and 779 transitions. [2022-10-15 22:18:19,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:18:19,946 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-10-15 22:18:19,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:19,953 INFO L225 Difference]: With dead ends: 571 [2022-10-15 22:18:19,953 INFO L226 Difference]: Without dead ends: 566 [2022-10-15 22:18:19,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:18:19,963 INFO L413 NwaCegarLoop]: 246 mSDtfsCounter, 835 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 835 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:19,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [835 Valid, 403 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:18:19,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2022-10-15 22:18:20,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 538. [2022-10-15 22:18:20,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 484 states have (on average 1.5929752066115703) internal successors, (771), 537 states have internal predecessors, (771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:20,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 771 transitions. [2022-10-15 22:18:20,065 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 771 transitions. Word has length 64 [2022-10-15 22:18:20,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:20,067 INFO L495 AbstractCegarLoop]: Abstraction has 538 states and 771 transitions. [2022-10-15 22:18:20,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:20,068 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 771 transitions. [2022-10-15 22:18:20,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-15 22:18:20,073 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:20,073 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:20,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:18:20,074 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-15 22:18:20,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:20,075 INFO L85 PathProgramCache]: Analyzing trace with hash -217773995, now seen corresponding path program 1 times [2022-10-15 22:18:20,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:20,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668449773] [2022-10-15 22:18:20,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:20,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:20,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:20,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:20,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:20,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668449773] [2022-10-15 22:18:20,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668449773] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:20,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:20,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:18:20,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211740323] [2022-10-15 22:18:20,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:20,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:18:20,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:20,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:18:20,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:18:20,334 INFO L87 Difference]: Start difference. First operand 538 states and 771 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:20,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:20,756 INFO L93 Difference]: Finished difference Result 865 states and 1176 transitions. [2022-10-15 22:18:20,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 22:18:20,757 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-10-15 22:18:20,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:20,763 INFO L225 Difference]: With dead ends: 865 [2022-10-15 22:18:20,763 INFO L226 Difference]: Without dead ends: 860 [2022-10-15 22:18:20,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:18:20,766 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 1323 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1323 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:20,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1323 Valid, 848 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:18:20,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 860 states. [2022-10-15 22:18:20,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 860 to 655. [2022-10-15 22:18:20,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 655 states, 603 states have (on average 1.5970149253731343) internal successors, (963), 654 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:20,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 963 transitions. [2022-10-15 22:18:20,808 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 963 transitions. Word has length 65 [2022-10-15 22:18:20,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:20,809 INFO L495 AbstractCegarLoop]: Abstraction has 655 states and 963 transitions. [2022-10-15 22:18:20,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:20,809 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 963 transitions. [2022-10-15 22:18:20,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-15 22:18:20,810 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:20,811 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:20,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:18:20,811 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-15 22:18:20,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:20,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1838940991, now seen corresponding path program 1 times [2022-10-15 22:18:20,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:20,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811425323] [2022-10-15 22:18:20,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:20,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:21,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:21,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:21,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811425323] [2022-10-15 22:18:21,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811425323] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:21,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:21,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:18:21,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65128464] [2022-10-15 22:18:21,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:21,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:18:21,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:21,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:18:21,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:18:21,005 INFO L87 Difference]: Start difference. First operand 655 states and 963 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:21,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:21,343 INFO L93 Difference]: Finished difference Result 830 states and 1163 transitions. [2022-10-15 22:18:21,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:18:21,344 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-10-15 22:18:21,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:21,350 INFO L225 Difference]: With dead ends: 830 [2022-10-15 22:18:21,350 INFO L226 Difference]: Without dead ends: 825 [2022-10-15 22:18:21,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:18:21,353 INFO L413 NwaCegarLoop]: 246 mSDtfsCounter, 1539 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1539 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:21,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1539 Valid, 559 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:18:21,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2022-10-15 22:18:21,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 772. [2022-10-15 22:18:21,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 772 states, 722 states have (on average 1.5955678670360112) internal successors, (1152), 771 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:21,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 1152 transitions. [2022-10-15 22:18:21,407 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 1152 transitions. Word has length 66 [2022-10-15 22:18:21,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:21,408 INFO L495 AbstractCegarLoop]: Abstraction has 772 states and 1152 transitions. [2022-10-15 22:18:21,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:21,408 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1152 transitions. [2022-10-15 22:18:21,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-15 22:18:21,409 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:21,409 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:21,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:18:21,410 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-15 22:18:21,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:21,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1172596119, now seen corresponding path program 1 times [2022-10-15 22:18:21,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:21,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773712541] [2022-10-15 22:18:21,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:21,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:21,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:21,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:21,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:21,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773712541] [2022-10-15 22:18:21,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773712541] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:21,635 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:21,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:18:21,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125109910] [2022-10-15 22:18:21,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:21,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:18:21,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:21,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:18:21,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:18:21,639 INFO L87 Difference]: Start difference. First operand 772 states and 1152 transitions. Second operand has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:22,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:22,240 INFO L93 Difference]: Finished difference Result 1226 states and 1740 transitions. [2022-10-15 22:18:22,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-15 22:18:22,240 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-10-15 22:18:22,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:22,247 INFO L225 Difference]: With dead ends: 1226 [2022-10-15 22:18:22,248 INFO L226 Difference]: Without dead ends: 1221 [2022-10-15 22:18:22,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-15 22:18:22,250 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 1773 mSDsluCounter, 1013 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1773 SdHoareTripleChecker+Valid, 1262 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:22,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1773 Valid, 1262 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:18:22,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2022-10-15 22:18:22,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 884. [2022-10-15 22:18:22,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 884 states, 836 states have (on average 1.5909090909090908) internal successors, (1330), 883 states have internal predecessors, (1330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:22,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 884 states and 1330 transitions. [2022-10-15 22:18:22,313 INFO L78 Accepts]: Start accepts. Automaton has 884 states and 1330 transitions. Word has length 67 [2022-10-15 22:18:22,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:22,314 INFO L495 AbstractCegarLoop]: Abstraction has 884 states and 1330 transitions. [2022-10-15 22:18:22,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:22,314 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1330 transitions. [2022-10-15 22:18:22,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-15 22:18:22,315 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:22,316 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:22,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:18:22,316 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-15 22:18:22,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:22,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1990741569, now seen corresponding path program 1 times [2022-10-15 22:18:22,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:22,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785459862] [2022-10-15 22:18:22,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:22,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:22,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:22,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:22,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785459862] [2022-10-15 22:18:22,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785459862] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:22,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:22,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:18:22,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922702785] [2022-10-15 22:18:22,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:22,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:18:22,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:22,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:18:22,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:18:22,469 INFO L87 Difference]: Start difference. First operand 884 states and 1330 transitions. Second operand has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:22,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:22,997 INFO L93 Difference]: Finished difference Result 1190 states and 1705 transitions. [2022-10-15 22:18:22,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:18:22,998 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-10-15 22:18:22,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:23,005 INFO L225 Difference]: With dead ends: 1190 [2022-10-15 22:18:23,005 INFO L226 Difference]: Without dead ends: 1185 [2022-10-15 22:18:23,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-15 22:18:23,008 INFO L413 NwaCegarLoop]: 246 mSDtfsCounter, 2001 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2001 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:23,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2001 Valid, 848 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:18:23,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2022-10-15 22:18:23,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 1110. [2022-10-15 22:18:23,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1110 states, 1064 states have (on average 1.5892857142857142) internal successors, (1691), 1109 states have internal predecessors, (1691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:23,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1691 transitions. [2022-10-15 22:18:23,103 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1691 transitions. Word has length 68 [2022-10-15 22:18:23,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:23,104 INFO L495 AbstractCegarLoop]: Abstraction has 1110 states and 1691 transitions. [2022-10-15 22:18:23,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:23,104 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1691 transitions. [2022-10-15 22:18:23,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-15 22:18:23,105 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:23,105 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:23,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:18:23,106 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-15 22:18:23,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:23,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1583446745, now seen corresponding path program 1 times [2022-10-15 22:18:23,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:23,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969659564] [2022-10-15 22:18:23,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:23,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:23,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:23,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:23,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:23,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969659564] [2022-10-15 22:18:23,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969659564] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:23,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:23,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 22:18:23,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17835166] [2022-10-15 22:18:23,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:23,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 22:18:23,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:23,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 22:18:23,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:18:23,285 INFO L87 Difference]: Start difference. First operand 1110 states and 1691 transitions. Second operand has 7 states, 6 states have (on average 11.5) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:24,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:24,078 INFO L93 Difference]: Finished difference Result 1680 states and 2451 transitions. [2022-10-15 22:18:24,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-15 22:18:24,083 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.5) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-10-15 22:18:24,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:24,093 INFO L225 Difference]: With dead ends: 1680 [2022-10-15 22:18:24,093 INFO L226 Difference]: Without dead ends: 1675 [2022-10-15 22:18:24,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-15 22:18:24,099 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 2348 mSDsluCounter, 1424 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2348 SdHoareTripleChecker+Valid, 1673 SdHoareTripleChecker+Invalid, 766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:24,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2348 Valid, 1673 Invalid, 766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 736 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:18:24,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1675 states. [2022-10-15 22:18:24,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1675 to 1217. [2022-10-15 22:18:24,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1217 states, 1173 states have (on average 1.5814151747655585) internal successors, (1855), 1216 states have internal predecessors, (1855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:24,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 1217 states and 1855 transitions. [2022-10-15 22:18:24,203 INFO L78 Accepts]: Start accepts. Automaton has 1217 states and 1855 transitions. Word has length 69 [2022-10-15 22:18:24,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:24,203 INFO L495 AbstractCegarLoop]: Abstraction has 1217 states and 1855 transitions. [2022-10-15 22:18:24,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.5) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:24,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 1855 transitions. [2022-10-15 22:18:24,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-15 22:18:24,214 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:24,214 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:24,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:18:24,215 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-15 22:18:24,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:24,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1842209091, now seen corresponding path program 1 times [2022-10-15 22:18:24,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:24,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061109407] [2022-10-15 22:18:24,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:24,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:24,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:24,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:24,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:24,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061109407] [2022-10-15 22:18:24,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061109407] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:24,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:24,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 22:18:24,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007890372] [2022-10-15 22:18:24,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:24,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 22:18:24,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:24,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 22:18:24,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:18:24,454 INFO L87 Difference]: Start difference. First operand 1217 states and 1855 transitions. Second operand has 7 states, 6 states have (on average 11.666666666666666) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:25,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:25,220 INFO L93 Difference]: Finished difference Result 1641 states and 2380 transitions. [2022-10-15 22:18:25,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-15 22:18:25,221 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.666666666666666) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-15 22:18:25,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:25,230 INFO L225 Difference]: With dead ends: 1641 [2022-10-15 22:18:25,230 INFO L226 Difference]: Without dead ends: 1636 [2022-10-15 22:18:25,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-15 22:18:25,233 INFO L413 NwaCegarLoop]: 246 mSDtfsCounter, 2428 mSDsluCounter, 1013 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2428 SdHoareTripleChecker+Valid, 1259 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:25,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2428 Valid, 1259 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:18:25,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1636 states. [2022-10-15 22:18:25,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1636 to 1542. [2022-10-15 22:18:25,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1500 states have (on average 1.5753333333333333) internal successors, (2363), 1541 states have internal predecessors, (2363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:25,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2363 transitions. [2022-10-15 22:18:25,355 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2363 transitions. Word has length 70 [2022-10-15 22:18:25,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:25,356 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2363 transitions. [2022-10-15 22:18:25,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.666666666666666) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:25,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2363 transitions. [2022-10-15 22:18:25,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-15 22:18:25,357 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:25,357 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:25,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:18:25,358 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-15 22:18:25,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:25,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1273907227, now seen corresponding path program 1 times [2022-10-15 22:18:25,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:25,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532470340] [2022-10-15 22:18:25,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:25,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:25,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:25,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:25,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:25,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532470340] [2022-10-15 22:18:25,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532470340] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:25,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:25,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 22:18:25,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445869617] [2022-10-15 22:18:25,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:25,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-15 22:18:25,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:25,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-15 22:18:25,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:18:25,546 INFO L87 Difference]: Start difference. First operand 1542 states and 2363 transitions. Second operand has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:27,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:27,295 INFO L93 Difference]: Finished difference Result 5121 states and 7796 transitions. [2022-10-15 22:18:27,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-10-15 22:18:27,296 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-10-15 22:18:27,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:27,316 INFO L225 Difference]: With dead ends: 5121 [2022-10-15 22:18:27,316 INFO L226 Difference]: Without dead ends: 3849 [2022-10-15 22:18:27,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=258, Invalid=798, Unknown=0, NotChecked=0, Total=1056 [2022-10-15 22:18:27,323 INFO L413 NwaCegarLoop]: 677 mSDtfsCounter, 2504 mSDsluCounter, 3023 mSDsCounter, 0 mSdLazyCounter, 1635 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2504 SdHoareTripleChecker+Valid, 3700 SdHoareTripleChecker+Invalid, 1686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:27,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2504 Valid, 3700 Invalid, 1686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1635 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-15 22:18:27,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3849 states. [2022-10-15 22:18:27,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3849 to 2777. [2022-10-15 22:18:27,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2777 states, 2737 states have (on average 1.5688710266715382) internal successors, (4294), 2776 states have internal predecessors, (4294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:27,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2777 states to 2777 states and 4294 transitions. [2022-10-15 22:18:27,646 INFO L78 Accepts]: Start accepts. Automaton has 2777 states and 4294 transitions. Word has length 71 [2022-10-15 22:18:27,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:27,646 INFO L495 AbstractCegarLoop]: Abstraction has 2777 states and 4294 transitions. [2022-10-15 22:18:27,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:27,647 INFO L276 IsEmpty]: Start isEmpty. Operand 2777 states and 4294 transitions. [2022-10-15 22:18:27,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-15 22:18:27,647 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:27,648 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:27,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:18:27,648 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-15 22:18:27,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:27,649 INFO L85 PathProgramCache]: Analyzing trace with hash 836418629, now seen corresponding path program 1 times [2022-10-15 22:18:27,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:27,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805141657] [2022-10-15 22:18:27,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:27,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:27,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:27,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:27,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:27,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805141657] [2022-10-15 22:18:27,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805141657] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:27,860 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:27,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 22:18:27,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695816627] [2022-10-15 22:18:27,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:27,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-15 22:18:27,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:27,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-15 22:18:27,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:18:27,862 INFO L87 Difference]: Start difference. First operand 2777 states and 4294 transitions. Second operand has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:29,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:29,448 INFO L93 Difference]: Finished difference Result 4109 states and 6136 transitions. [2022-10-15 22:18:29,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-15 22:18:29,454 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-15 22:18:29,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:29,476 INFO L225 Difference]: With dead ends: 4109 [2022-10-15 22:18:29,476 INFO L226 Difference]: Without dead ends: 4104 [2022-10-15 22:18:29,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=222, Invalid=590, Unknown=0, NotChecked=0, Total=812 [2022-10-15 22:18:29,479 INFO L413 NwaCegarLoop]: 460 mSDtfsCounter, 3457 mSDsluCounter, 1442 mSDsCounter, 0 mSdLazyCounter, 1272 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3457 SdHoareTripleChecker+Valid, 1902 SdHoareTripleChecker+Invalid, 1349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 1272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:29,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3457 Valid, 1902 Invalid, 1349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 1272 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-15 22:18:29,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4104 states. [2022-10-15 22:18:29,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4104 to 3912. [2022-10-15 22:18:29,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3912 states, 3874 states have (on average 1.5647909137842024) internal successors, (6062), 3911 states have internal predecessors, (6062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:29,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3912 states to 3912 states and 6062 transitions. [2022-10-15 22:18:29,798 INFO L78 Accepts]: Start accepts. Automaton has 3912 states and 6062 transitions. Word has length 72 [2022-10-15 22:18:29,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:29,798 INFO L495 AbstractCegarLoop]: Abstraction has 3912 states and 6062 transitions. [2022-10-15 22:18:29,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:29,799 INFO L276 IsEmpty]: Start isEmpty. Operand 3912 states and 6062 transitions. [2022-10-15 22:18:29,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-15 22:18:29,800 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:29,800 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:29,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:18:29,801 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-15 22:18:29,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:29,801 INFO L85 PathProgramCache]: Analyzing trace with hash 966204217, now seen corresponding path program 1 times [2022-10-15 22:18:29,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:29,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918404789] [2022-10-15 22:18:29,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:29,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:29,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:29,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:29,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:29,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918404789] [2022-10-15 22:18:29,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918404789] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:29,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:29,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:18:29,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82078053] [2022-10-15 22:18:29,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:29,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:18:29,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:29,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:18:29,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:18:29,931 INFO L87 Difference]: Start difference. First operand 3912 states and 6062 transitions. Second operand has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:30,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:30,277 INFO L93 Difference]: Finished difference Result 3912 states and 6062 transitions. [2022-10-15 22:18:30,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:18:30,278 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2022-10-15 22:18:30,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:30,300 INFO L225 Difference]: With dead ends: 3912 [2022-10-15 22:18:30,300 INFO L226 Difference]: Without dead ends: 3910 [2022-10-15 22:18:30,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:18:30,303 INFO L413 NwaCegarLoop]: 328 mSDtfsCounter, 13 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:30,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 592 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:18:30,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3910 states. [2022-10-15 22:18:30,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3910 to 3910. [2022-10-15 22:18:30,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3910 states, 3874 states have (on average 1.5642746515229737) internal successors, (6060), 3909 states have internal predecessors, (6060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:30,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3910 states to 3910 states and 6060 transitions. [2022-10-15 22:18:30,670 INFO L78 Accepts]: Start accepts. Automaton has 3910 states and 6060 transitions. Word has length 88 [2022-10-15 22:18:30,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:30,671 INFO L495 AbstractCegarLoop]: Abstraction has 3910 states and 6060 transitions. [2022-10-15 22:18:30,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:30,671 INFO L276 IsEmpty]: Start isEmpty. Operand 3910 states and 6060 transitions. [2022-10-15 22:18:30,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-15 22:18:30,672 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:30,673 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:30,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:18:30,673 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-15 22:18:30,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:30,674 INFO L85 PathProgramCache]: Analyzing trace with hash 373380478, now seen corresponding path program 1 times [2022-10-15 22:18:30,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:30,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027908277] [2022-10-15 22:18:30,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:30,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:30,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:30,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:30,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:30,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027908277] [2022-10-15 22:18:30,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027908277] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:30,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:30,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:18:30,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156955114] [2022-10-15 22:18:30,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:30,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:18:30,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:30,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:18:30,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:18:30,796 INFO L87 Difference]: Start difference. First operand 3910 states and 6060 transitions. Second operand has 3 states, 2 states have (on average 46.0) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:31,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:31,126 INFO L93 Difference]: Finished difference Result 3910 states and 6060 transitions. [2022-10-15 22:18:31,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:18:31,126 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 46.0) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-15 22:18:31,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:31,157 INFO L225 Difference]: With dead ends: 3910 [2022-10-15 22:18:31,157 INFO L226 Difference]: Without dead ends: 3908 [2022-10-15 22:18:31,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:18:31,160 INFO L413 NwaCegarLoop]: 317 mSDtfsCounter, 237 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:31,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 317 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:18:31,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3908 states. [2022-10-15 22:18:31,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3908 to 3908. [2022-10-15 22:18:31,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3908 states, 3874 states have (on average 1.554981930820857) internal successors, (6024), 3907 states have internal predecessors, (6024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:31,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3908 states to 3908 states and 6024 transitions. [2022-10-15 22:18:31,525 INFO L78 Accepts]: Start accepts. Automaton has 3908 states and 6024 transitions. Word has length 92 [2022-10-15 22:18:31,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:31,526 INFO L495 AbstractCegarLoop]: Abstraction has 3908 states and 6024 transitions. [2022-10-15 22:18:31,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 46.0) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:31,527 INFO L276 IsEmpty]: Start isEmpty. Operand 3908 states and 6024 transitions. [2022-10-15 22:18:31,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-15 22:18:31,528 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:31,528 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:31,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:18:31,528 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-15 22:18:31,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:31,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1310106761, now seen corresponding path program 1 times [2022-10-15 22:18:31,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:31,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097035868] [2022-10-15 22:18:31,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:31,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:31,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:31,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:31,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097035868] [2022-10-15 22:18:31,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097035868] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:31,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:31,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:18:31,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113973813] [2022-10-15 22:18:31,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:31,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:18:31,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:31,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:18:31,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:18:31,668 INFO L87 Difference]: Start difference. First operand 3908 states and 6024 transitions. Second operand has 3 states, 2 states have (on average 46.5) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:32,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:32,009 INFO L93 Difference]: Finished difference Result 3908 states and 6024 transitions. [2022-10-15 22:18:32,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:18:32,009 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 46.5) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2022-10-15 22:18:32,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:32,024 INFO L225 Difference]: With dead ends: 3908 [2022-10-15 22:18:32,024 INFO L226 Difference]: Without dead ends: 3906 [2022-10-15 22:18:32,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:18:32,027 INFO L413 NwaCegarLoop]: 317 mSDtfsCounter, 234 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:32,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 317 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:18:32,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3906 states. [2022-10-15 22:18:32,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3906 to 3906. [2022-10-15 22:18:32,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3906 states, 3874 states have (on average 1.5456892101187403) internal successors, (5988), 3905 states have internal predecessors, (5988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:32,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3906 states to 3906 states and 5988 transitions. [2022-10-15 22:18:32,401 INFO L78 Accepts]: Start accepts. Automaton has 3906 states and 5988 transitions. Word has length 93 [2022-10-15 22:18:32,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:32,402 INFO L495 AbstractCegarLoop]: Abstraction has 3906 states and 5988 transitions. [2022-10-15 22:18:32,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 46.5) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:32,402 INFO L276 IsEmpty]: Start isEmpty. Operand 3906 states and 5988 transitions. [2022-10-15 22:18:32,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-15 22:18:32,404 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:32,404 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:32,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:18:32,405 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-15 22:18:32,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:32,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1966757078, now seen corresponding path program 1 times [2022-10-15 22:18:32,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:32,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953734318] [2022-10-15 22:18:32,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:32,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:32,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:32,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:32,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953734318] [2022-10-15 22:18:32,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953734318] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:32,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:32,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:18:32,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541910380] [2022-10-15 22:18:32,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:32,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:18:32,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:32,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:18:32,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:18:32,613 INFO L87 Difference]: Start difference. First operand 3906 states and 5988 transitions. Second operand has 4 states, 3 states have (on average 38.0) internal successors, (114), 4 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:33,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:33,131 INFO L93 Difference]: Finished difference Result 5249 states and 8051 transitions. [2022-10-15 22:18:33,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:18:33,132 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 38.0) internal successors, (114), 4 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-10-15 22:18:33,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:33,146 INFO L225 Difference]: With dead ends: 5249 [2022-10-15 22:18:33,146 INFO L226 Difference]: Without dead ends: 5246 [2022-10-15 22:18:33,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:18:33,149 INFO L413 NwaCegarLoop]: 284 mSDtfsCounter, 405 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:33,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 668 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:18:33,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5246 states. [2022-10-15 22:18:33,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5246 to 4236. [2022-10-15 22:18:33,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4236 states, 4204 states have (on average 1.5509039010466223) internal successors, (6520), 4235 states have internal predecessors, (6520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:33,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4236 states to 4236 states and 6520 transitions. [2022-10-15 22:18:33,702 INFO L78 Accepts]: Start accepts. Automaton has 4236 states and 6520 transitions. Word has length 114 [2022-10-15 22:18:33,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:33,703 INFO L495 AbstractCegarLoop]: Abstraction has 4236 states and 6520 transitions. [2022-10-15 22:18:33,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 38.0) internal successors, (114), 4 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:33,704 INFO L276 IsEmpty]: Start isEmpty. Operand 4236 states and 6520 transitions. [2022-10-15 22:18:33,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-15 22:18:33,706 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:33,706 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:33,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:18:33,708 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-15 22:18:33,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:33,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1118123546, now seen corresponding path program 1 times [2022-10-15 22:18:33,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:33,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361701963] [2022-10-15 22:18:33,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:33,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:33,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:33,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:33,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:33,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361701963] [2022-10-15 22:18:33,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361701963] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:33,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:33,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:18:33,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512779646] [2022-10-15 22:18:33,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:33,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:18:33,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:33,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:18:33,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:18:33,933 INFO L87 Difference]: Start difference. First operand 4236 states and 6520 transitions. Second operand has 4 states, 3 states have (on average 38.0) internal successors, (114), 4 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:34,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:34,495 INFO L93 Difference]: Finished difference Result 5561 states and 8532 transitions. [2022-10-15 22:18:34,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:18:34,496 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 38.0) internal successors, (114), 4 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-10-15 22:18:34,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:34,511 INFO L225 Difference]: With dead ends: 5561 [2022-10-15 22:18:34,511 INFO L226 Difference]: Without dead ends: 5558 [2022-10-15 22:18:34,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:18:34,515 INFO L413 NwaCegarLoop]: 525 mSDtfsCounter, 415 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 1008 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:34,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [415 Valid, 1008 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:18:34,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5558 states. [2022-10-15 22:18:35,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5558 to 5506. [2022-10-15 22:18:35,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5506 states, 5474 states have (on average 1.5569967117281696) internal successors, (8523), 5505 states have internal predecessors, (8523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:35,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5506 states to 5506 states and 8523 transitions. [2022-10-15 22:18:35,063 INFO L78 Accepts]: Start accepts. Automaton has 5506 states and 8523 transitions. Word has length 114 [2022-10-15 22:18:35,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:35,064 INFO L495 AbstractCegarLoop]: Abstraction has 5506 states and 8523 transitions. [2022-10-15 22:18:35,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 38.0) internal successors, (114), 4 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:35,064 INFO L276 IsEmpty]: Start isEmpty. Operand 5506 states and 8523 transitions. [2022-10-15 22:18:35,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-15 22:18:35,066 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:35,066 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:35,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 22:18:35,067 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-15 22:18:35,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:35,067 INFO L85 PathProgramCache]: Analyzing trace with hash 302091936, now seen corresponding path program 1 times [2022-10-15 22:18:35,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:35,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381367819] [2022-10-15 22:18:35,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:35,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:35,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:35,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:35,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:35,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381367819] [2022-10-15 22:18:35,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381367819] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:35,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:35,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:18:35,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323452144] [2022-10-15 22:18:35,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:35,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:18:35,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:35,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:18:35,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:18:35,237 INFO L87 Difference]: Start difference. First operand 5506 states and 8523 transitions. Second operand has 4 states, 3 states have (on average 38.333333333333336) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:36,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:36,034 INFO L93 Difference]: Finished difference Result 5532 states and 8523 transitions. [2022-10-15 22:18:36,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:18:36,035 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 38.333333333333336) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-10-15 22:18:36,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:36,051 INFO L225 Difference]: With dead ends: 5532 [2022-10-15 22:18:36,051 INFO L226 Difference]: Without dead ends: 5529 [2022-10-15 22:18:36,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:18:36,057 INFO L413 NwaCegarLoop]: 391 mSDtfsCounter, 417 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 417 SdHoareTripleChecker+Valid, 629 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:36,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [417 Valid, 629 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:18:36,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5529 states. [2022-10-15 22:18:36,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5529 to 5503. [2022-10-15 22:18:36,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5503 states, 5474 states have (on average 1.5537084398976981) internal successors, (8505), 5502 states have internal predecessors, (8505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:36,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5503 states to 5503 states and 8505 transitions. [2022-10-15 22:18:36,622 INFO L78 Accepts]: Start accepts. Automaton has 5503 states and 8505 transitions. Word has length 115 [2022-10-15 22:18:36,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:36,623 INFO L495 AbstractCegarLoop]: Abstraction has 5503 states and 8505 transitions. [2022-10-15 22:18:36,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 38.333333333333336) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:36,623 INFO L276 IsEmpty]: Start isEmpty. Operand 5503 states and 8505 transitions. [2022-10-15 22:18:36,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-15 22:18:36,625 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:36,626 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:36,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 22:18:36,626 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-15 22:18:36,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:36,627 INFO L85 PathProgramCache]: Analyzing trace with hash 267953816, now seen corresponding path program 1 times [2022-10-15 22:18:36,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:36,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149973116] [2022-10-15 22:18:36,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:36,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:36,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:36,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:36,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149973116] [2022-10-15 22:18:36,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149973116] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:36,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:36,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:18:36,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681480278] [2022-10-15 22:18:36,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:36,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:18:36,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:36,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:18:36,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:18:36,839 INFO L87 Difference]: Start difference. First operand 5503 states and 8505 transitions. Second operand has 5 states, 4 states have (on average 29.0) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:37,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:37,722 INFO L93 Difference]: Finished difference Result 5881 states and 9004 transitions. [2022-10-15 22:18:37,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:18:37,723 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 29.0) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-10-15 22:18:37,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:37,738 INFO L225 Difference]: With dead ends: 5881 [2022-10-15 22:18:37,739 INFO L226 Difference]: Without dead ends: 5878 [2022-10-15 22:18:37,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:18:37,742 INFO L413 NwaCegarLoop]: 281 mSDtfsCounter, 1016 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1016 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:37,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1016 Valid, 811 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:18:37,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5878 states. [2022-10-15 22:18:38,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5878 to 5812. [2022-10-15 22:18:38,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5812 states, 5783 states have (on average 1.5554210617326647) internal successors, (8995), 5811 states have internal predecessors, (8995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:38,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5812 states to 5812 states and 8995 transitions. [2022-10-15 22:18:38,157 INFO L78 Accepts]: Start accepts. Automaton has 5812 states and 8995 transitions. Word has length 116 [2022-10-15 22:18:38,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:38,158 INFO L495 AbstractCegarLoop]: Abstraction has 5812 states and 8995 transitions. [2022-10-15 22:18:38,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 29.0) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:38,158 INFO L276 IsEmpty]: Start isEmpty. Operand 5812 states and 8995 transitions. [2022-10-15 22:18:38,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-15 22:18:38,160 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:38,161 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:38,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 22:18:38,161 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-15 22:18:38,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:38,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1981605816, now seen corresponding path program 1 times [2022-10-15 22:18:38,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:38,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555303338] [2022-10-15 22:18:38,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:38,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:38,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:38,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:38,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:38,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555303338] [2022-10-15 22:18:38,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555303338] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:38,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:38,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:18:38,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317481580] [2022-10-15 22:18:38,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:38,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:18:38,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:38,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:18:38,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:18:38,405 INFO L87 Difference]: Start difference. First operand 5812 states and 8995 transitions. Second operand has 5 states, 4 states have (on average 29.0) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:39,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:39,178 INFO L93 Difference]: Finished difference Result 5878 states and 8995 transitions. [2022-10-15 22:18:39,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:18:39,179 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 29.0) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-10-15 22:18:39,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:39,195 INFO L225 Difference]: With dead ends: 5878 [2022-10-15 22:18:39,195 INFO L226 Difference]: Without dead ends: 5875 [2022-10-15 22:18:39,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:18:39,199 INFO L413 NwaCegarLoop]: 381 mSDtfsCounter, 764 mSDsluCounter, 636 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 764 SdHoareTripleChecker+Valid, 1017 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:39,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [764 Valid, 1017 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:18:39,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5875 states. [2022-10-15 22:18:39,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5875 to 5812. [2022-10-15 22:18:39,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5812 states, 5783 states have (on average 1.5507522047380253) internal successors, (8968), 5811 states have internal predecessors, (8968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:39,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5812 states to 5812 states and 8968 transitions. [2022-10-15 22:18:39,750 INFO L78 Accepts]: Start accepts. Automaton has 5812 states and 8968 transitions. Word has length 116 [2022-10-15 22:18:39,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:39,751 INFO L495 AbstractCegarLoop]: Abstraction has 5812 states and 8968 transitions. [2022-10-15 22:18:39,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 29.0) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:39,751 INFO L276 IsEmpty]: Start isEmpty. Operand 5812 states and 8968 transitions. [2022-10-15 22:18:39,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-15 22:18:39,753 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:39,753 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:39,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-15 22:18:39,754 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-15 22:18:39,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:39,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1138074387, now seen corresponding path program 1 times [2022-10-15 22:18:39,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:39,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854628515] [2022-10-15 22:18:39,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:39,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:39,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:39,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:39,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854628515] [2022-10-15 22:18:39,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854628515] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:39,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:39,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:18:39,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290588786] [2022-10-15 22:18:39,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:39,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:18:39,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:39,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:18:39,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:18:39,931 INFO L87 Difference]: Start difference. First operand 5812 states and 8968 transitions. Second operand has 4 states, 3 states have (on average 38.666666666666664) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:40,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:40,769 INFO L93 Difference]: Finished difference Result 6176 states and 9476 transitions. [2022-10-15 22:18:40,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:18:40,770 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 38.666666666666664) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-10-15 22:18:40,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:40,785 INFO L225 Difference]: With dead ends: 6176 [2022-10-15 22:18:40,786 INFO L226 Difference]: Without dead ends: 6173 [2022-10-15 22:18:40,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:18:40,790 INFO L413 NwaCegarLoop]: 613 mSDtfsCounter, 395 mSDsluCounter, 615 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 1228 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:40,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 1228 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:18:40,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6173 states. [2022-10-15 22:18:41,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6173 to 5812. [2022-10-15 22:18:41,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5812 states, 5783 states have (on average 1.5445270620785059) internal successors, (8932), 5811 states have internal predecessors, (8932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:41,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5812 states to 5812 states and 8932 transitions. [2022-10-15 22:18:41,421 INFO L78 Accepts]: Start accepts. Automaton has 5812 states and 8932 transitions. Word has length 116 [2022-10-15 22:18:41,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:41,421 INFO L495 AbstractCegarLoop]: Abstraction has 5812 states and 8932 transitions. [2022-10-15 22:18:41,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 38.666666666666664) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:41,422 INFO L276 IsEmpty]: Start isEmpty. Operand 5812 states and 8932 transitions. [2022-10-15 22:18:41,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-15 22:18:41,423 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:41,424 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:41,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-15 22:18:41,424 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-15 22:18:41,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:41,425 INFO L85 PathProgramCache]: Analyzing trace with hash 774915804, now seen corresponding path program 1 times [2022-10-15 22:18:41,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:41,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468208332] [2022-10-15 22:18:41,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:41,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:41,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:41,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:41,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468208332] [2022-10-15 22:18:41,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468208332] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:41,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:41,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:18:41,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79705990] [2022-10-15 22:18:41,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:41,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:18:41,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:41,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:18:41,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:18:41,614 INFO L87 Difference]: Start difference. First operand 5812 states and 8932 transitions. Second operand has 5 states, 4 states have (on average 29.0) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:42,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:42,508 INFO L93 Difference]: Finished difference Result 6515 states and 9955 transitions. [2022-10-15 22:18:42,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:18:42,508 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 29.0) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-10-15 22:18:42,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:42,521 INFO L225 Difference]: With dead ends: 6515 [2022-10-15 22:18:42,521 INFO L226 Difference]: Without dead ends: 6512 [2022-10-15 22:18:42,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:18:42,525 INFO L413 NwaCegarLoop]: 630 mSDtfsCounter, 772 mSDsluCounter, 863 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 772 SdHoareTripleChecker+Valid, 1493 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:42,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [772 Valid, 1493 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:18:42,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6512 states. [2022-10-15 22:18:43,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6512 to 6137. [2022-10-15 22:18:43,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6137 states, 6108 states have (on average 1.5466601178781925) internal successors, (9447), 6136 states have internal predecessors, (9447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:43,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6137 states to 6137 states and 9447 transitions. [2022-10-15 22:18:43,040 INFO L78 Accepts]: Start accepts. Automaton has 6137 states and 9447 transitions. Word has length 116 [2022-10-15 22:18:43,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:43,041 INFO L495 AbstractCegarLoop]: Abstraction has 6137 states and 9447 transitions. [2022-10-15 22:18:43,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 29.0) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:43,041 INFO L276 IsEmpty]: Start isEmpty. Operand 6137 states and 9447 transitions. [2022-10-15 22:18:43,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-15 22:18:43,042 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:43,043 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:43,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-15 22:18:43,043 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-15 22:18:43,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:43,044 INFO L85 PathProgramCache]: Analyzing trace with hash -283365914, now seen corresponding path program 1 times [2022-10-15 22:18:43,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:43,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637176572] [2022-10-15 22:18:43,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:43,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:43,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:43,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:43,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637176572] [2022-10-15 22:18:43,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637176572] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:43,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:43,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:18:43,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745362817] [2022-10-15 22:18:43,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:43,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:18:43,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:43,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:18:43,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:18:43,285 INFO L87 Difference]: Start difference. First operand 6137 states and 9447 transitions. Second operand has 5 states, 4 states have (on average 29.25) internal successors, (117), 5 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:44,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:44,233 INFO L93 Difference]: Finished difference Result 8046 states and 12396 transitions. [2022-10-15 22:18:44,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:18:44,234 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 29.25) internal successors, (117), 5 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-10-15 22:18:44,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:44,251 INFO L225 Difference]: With dead ends: 8046 [2022-10-15 22:18:44,251 INFO L226 Difference]: Without dead ends: 8043 [2022-10-15 22:18:44,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:18:44,257 INFO L413 NwaCegarLoop]: 278 mSDtfsCounter, 1043 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1043 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:44,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1043 Valid, 666 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:18:44,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8043 states. [2022-10-15 22:18:44,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8043 to 7064. [2022-10-15 22:18:44,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7064 states, 7035 states have (on average 1.553091684434968) internal successors, (10926), 7063 states have internal predecessors, (10926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:44,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7064 states to 7064 states and 10926 transitions. [2022-10-15 22:18:44,971 INFO L78 Accepts]: Start accepts. Automaton has 7064 states and 10926 transitions. Word has length 117 [2022-10-15 22:18:44,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:44,971 INFO L495 AbstractCegarLoop]: Abstraction has 7064 states and 10926 transitions. [2022-10-15 22:18:44,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 29.25) internal successors, (117), 5 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:44,971 INFO L276 IsEmpty]: Start isEmpty. Operand 7064 states and 10926 transitions. [2022-10-15 22:18:44,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-15 22:18:44,972 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:44,973 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:44,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-15 22:18:44,973 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-15 22:18:44,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:44,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1747413470, now seen corresponding path program 1 times [2022-10-15 22:18:44,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:44,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432550974] [2022-10-15 22:18:44,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:44,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:45,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:45,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:45,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:45,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432550974] [2022-10-15 22:18:45,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432550974] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:45,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:45,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:18:45,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552161105] [2022-10-15 22:18:45,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:45,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:18:45,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:45,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:18:45,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:18:45,155 INFO L87 Difference]: Start difference. First operand 7064 states and 10926 transitions. Second operand has 5 states, 4 states have (on average 29.25) internal successors, (117), 5 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:46,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:46,073 INFO L93 Difference]: Finished difference Result 8358 states and 12940 transitions. [2022-10-15 22:18:46,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:18:46,076 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 29.25) internal successors, (117), 5 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-10-15 22:18:46,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:46,089 INFO L225 Difference]: With dead ends: 8358 [2022-10-15 22:18:46,090 INFO L226 Difference]: Without dead ends: 8355 [2022-10-15 22:18:46,093 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:18:46,094 INFO L413 NwaCegarLoop]: 496 mSDtfsCounter, 797 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 797 SdHoareTripleChecker+Valid, 982 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:46,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [797 Valid, 982 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:18:46,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8355 states. [2022-10-15 22:18:46,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8355 to 8300. [2022-10-15 22:18:46,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8300 states, 8271 states have (on average 1.559061782130335) internal successors, (12895), 8299 states have internal predecessors, (12895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:46,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8300 states to 8300 states and 12895 transitions. [2022-10-15 22:18:46,712 INFO L78 Accepts]: Start accepts. Automaton has 8300 states and 12895 transitions. Word has length 117 [2022-10-15 22:18:46,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:46,713 INFO L495 AbstractCegarLoop]: Abstraction has 8300 states and 12895 transitions. [2022-10-15 22:18:46,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 29.25) internal successors, (117), 5 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:46,713 INFO L276 IsEmpty]: Start isEmpty. Operand 8300 states and 12895 transitions. [2022-10-15 22:18:46,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-15 22:18:46,714 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:46,715 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:46,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-15 22:18:46,715 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-15 22:18:46,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:46,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1713428315, now seen corresponding path program 1 times [2022-10-15 22:18:46,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:46,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684487327] [2022-10-15 22:18:46,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:46,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:46,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:46,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:46,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:46,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684487327] [2022-10-15 22:18:46,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684487327] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:46,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:46,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:18:46,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43268722] [2022-10-15 22:18:46,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:46,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:18:46,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:46,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:18:46,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:18:46,903 INFO L87 Difference]: Start difference. First operand 8300 states and 12895 transitions. Second operand has 5 states, 4 states have (on average 29.5) internal successors, (118), 5 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:47,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:47,816 INFO L93 Difference]: Finished difference Result 8675 states and 13385 transitions. [2022-10-15 22:18:47,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:18:47,817 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 29.5) internal successors, (118), 5 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2022-10-15 22:18:47,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:47,831 INFO L225 Difference]: With dead ends: 8675 [2022-10-15 22:18:47,831 INFO L226 Difference]: Without dead ends: 8672 [2022-10-15 22:18:47,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:18:47,835 INFO L413 NwaCegarLoop]: 422 mSDtfsCounter, 581 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 1072 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:47,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 1072 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:18:47,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8672 states. [2022-10-15 22:18:48,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8672 to 8300. [2022-10-15 22:18:48,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8300 states, 8271 states have (on average 1.5557973642848506) internal successors, (12868), 8299 states have internal predecessors, (12868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:48,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8300 states to 8300 states and 12868 transitions. [2022-10-15 22:18:48,385 INFO L78 Accepts]: Start accepts. Automaton has 8300 states and 12868 transitions. Word has length 118 [2022-10-15 22:18:48,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:48,385 INFO L495 AbstractCegarLoop]: Abstraction has 8300 states and 12868 transitions. [2022-10-15 22:18:48,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 29.5) internal successors, (118), 5 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:48,386 INFO L276 IsEmpty]: Start isEmpty. Operand 8300 states and 12868 transitions. [2022-10-15 22:18:48,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-15 22:18:48,387 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:48,387 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:48,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-15 22:18:48,388 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-15 22:18:48,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:48,388 INFO L85 PathProgramCache]: Analyzing trace with hash -194408358, now seen corresponding path program 1 times [2022-10-15 22:18:48,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:48,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527711518] [2022-10-15 22:18:48,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:48,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:48,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:48,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:48,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:48,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527711518] [2022-10-15 22:18:48,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527711518] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:48,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:48,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:18:48,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987970387] [2022-10-15 22:18:48,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:48,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:18:48,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:48,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:18:48,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:18:48,627 INFO L87 Difference]: Start difference. First operand 8300 states and 12868 transitions. Second operand has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:49,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:49,574 INFO L93 Difference]: Finished difference Result 9003 states and 13847 transitions. [2022-10-15 22:18:49,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:18:49,575 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2022-10-15 22:18:49,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:49,588 INFO L225 Difference]: With dead ends: 9003 [2022-10-15 22:18:49,588 INFO L226 Difference]: Without dead ends: 9000 [2022-10-15 22:18:49,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:18:49,593 INFO L413 NwaCegarLoop]: 287 mSDtfsCounter, 1448 mSDsluCounter, 918 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1448 SdHoareTripleChecker+Valid, 1205 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:49,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1448 Valid, 1205 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:18:49,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9000 states. [2022-10-15 22:18:50,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9000 to 8620. [2022-10-15 22:18:50,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8620 states, 8591 states have (on average 1.5547666162262834) internal successors, (13357), 8619 states have internal predecessors, (13357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:50,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8620 states to 8620 states and 13357 transitions. [2022-10-15 22:18:50,275 INFO L78 Accepts]: Start accepts. Automaton has 8620 states and 13357 transitions. Word has length 118 [2022-10-15 22:18:50,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:50,275 INFO L495 AbstractCegarLoop]: Abstraction has 8620 states and 13357 transitions. [2022-10-15 22:18:50,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:50,275 INFO L276 IsEmpty]: Start isEmpty. Operand 8620 states and 13357 transitions. [2022-10-15 22:18:50,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-15 22:18:50,277 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:50,277 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:50,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-15 22:18:50,278 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-15 22:18:50,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:50,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1652664822, now seen corresponding path program 1 times [2022-10-15 22:18:50,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:50,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606870152] [2022-10-15 22:18:50,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:50,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:50,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:50,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:50,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:50,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606870152] [2022-10-15 22:18:50,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606870152] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:50,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:50,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:18:50,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585959048] [2022-10-15 22:18:50,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:50,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:18:50,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:50,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:18:50,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:18:50,463 INFO L87 Difference]: Start difference. First operand 8620 states and 13357 transitions. Second operand has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:51,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:51,427 INFO L93 Difference]: Finished difference Result 9003 states and 13838 transitions. [2022-10-15 22:18:51,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:18:51,427 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2022-10-15 22:18:51,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:51,438 INFO L225 Difference]: With dead ends: 9003 [2022-10-15 22:18:51,438 INFO L226 Difference]: Without dead ends: 9000 [2022-10-15 22:18:51,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:18:51,441 INFO L413 NwaCegarLoop]: 384 mSDtfsCounter, 1455 mSDsluCounter, 802 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1455 SdHoareTripleChecker+Valid, 1186 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:51,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1455 Valid, 1186 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:18:51,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9000 states. [2022-10-15 22:18:52,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9000 to 8929. [2022-10-15 22:18:52,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8929 states, 8900 states have (on average 1.553820224719101) internal successors, (13829), 8928 states have internal predecessors, (13829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:52,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8929 states to 8929 states and 13829 transitions. [2022-10-15 22:18:52,227 INFO L78 Accepts]: Start accepts. Automaton has 8929 states and 13829 transitions. Word has length 118 [2022-10-15 22:18:52,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:52,227 INFO L495 AbstractCegarLoop]: Abstraction has 8929 states and 13829 transitions. [2022-10-15 22:18:52,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:52,228 INFO L276 IsEmpty]: Start isEmpty. Operand 8929 states and 13829 transitions. [2022-10-15 22:18:52,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-15 22:18:52,229 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:52,230 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:52,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-15 22:18:52,230 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-15 22:18:52,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:52,231 INFO L85 PathProgramCache]: Analyzing trace with hash -162928402, now seen corresponding path program 1 times [2022-10-15 22:18:52,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:52,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71423095] [2022-10-15 22:18:52,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:52,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:52,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:52,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:52,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:52,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71423095] [2022-10-15 22:18:52,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71423095] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:52,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:52,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:18:52,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778811262] [2022-10-15 22:18:52,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:52,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:18:52,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:52,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:18:52,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:18:52,414 INFO L87 Difference]: Start difference. First operand 8929 states and 13829 transitions. Second operand has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:53,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:53,399 INFO L93 Difference]: Finished difference Result 9000 states and 13829 transitions. [2022-10-15 22:18:53,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 22:18:53,402 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2022-10-15 22:18:53,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:53,415 INFO L225 Difference]: With dead ends: 9000 [2022-10-15 22:18:53,415 INFO L226 Difference]: Without dead ends: 8997 [2022-10-15 22:18:53,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:18:53,419 INFO L413 NwaCegarLoop]: 589 mSDtfsCounter, 1100 mSDsluCounter, 1019 mSDsCounter, 0 mSdLazyCounter, 593 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1100 SdHoareTripleChecker+Valid, 1608 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:53,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1100 Valid, 1608 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 593 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:18:53,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8997 states. [2022-10-15 22:18:53,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8997 to 8929. [2022-10-15 22:18:54,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8929 states, 8900 states have (on average 1.5517977528089888) internal successors, (13811), 8928 states have internal predecessors, (13811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:54,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8929 states to 8929 states and 13811 transitions. [2022-10-15 22:18:54,020 INFO L78 Accepts]: Start accepts. Automaton has 8929 states and 13811 transitions. Word has length 118 [2022-10-15 22:18:54,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:54,020 INFO L495 AbstractCegarLoop]: Abstraction has 8929 states and 13811 transitions. [2022-10-15 22:18:54,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:54,020 INFO L276 IsEmpty]: Start isEmpty. Operand 8929 states and 13811 transitions. [2022-10-15 22:18:54,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-15 22:18:54,022 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:54,022 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:54,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-15 22:18:54,022 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-15 22:18:54,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:54,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1527186671, now seen corresponding path program 1 times [2022-10-15 22:18:54,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:54,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112134504] [2022-10-15 22:18:54,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:54,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:54,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:54,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:54,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112134504] [2022-10-15 22:18:54,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112134504] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:54,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:54,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:18:54,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228555538] [2022-10-15 22:18:54,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:54,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:18:54,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:54,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:18:54,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:18:54,192 INFO L87 Difference]: Start difference. First operand 8929 states and 13811 transitions. Second operand has 5 states, 4 states have (on average 29.5) internal successors, (118), 5 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:55,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:55,194 INFO L93 Difference]: Finished difference Result 10240 states and 15798 transitions. [2022-10-15 22:18:55,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:18:55,195 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 29.5) internal successors, (118), 5 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2022-10-15 22:18:55,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:55,209 INFO L225 Difference]: With dead ends: 10240 [2022-10-15 22:18:55,209 INFO L226 Difference]: Without dead ends: 10237 [2022-10-15 22:18:55,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:18:55,213 INFO L413 NwaCegarLoop]: 547 mSDtfsCounter, 620 mSDsluCounter, 743 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 620 SdHoareTripleChecker+Valid, 1290 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:55,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [620 Valid, 1290 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:18:55,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10237 states. [2022-10-15 22:18:55,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10237 to 10165. [2022-10-15 22:18:55,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10165 states, 10136 states have (on average 1.5568271507498026) internal successors, (15780), 10164 states have internal predecessors, (15780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:55,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10165 states to 10165 states and 15780 transitions. [2022-10-15 22:18:55,940 INFO L78 Accepts]: Start accepts. Automaton has 10165 states and 15780 transitions. Word has length 118 [2022-10-15 22:18:55,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:55,940 INFO L495 AbstractCegarLoop]: Abstraction has 10165 states and 15780 transitions. [2022-10-15 22:18:55,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 29.5) internal successors, (118), 5 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:55,940 INFO L276 IsEmpty]: Start isEmpty. Operand 10165 states and 15780 transitions. [2022-10-15 22:18:55,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-15 22:18:55,942 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:55,942 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:55,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-15 22:18:55,942 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-15 22:18:55,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:55,943 INFO L85 PathProgramCache]: Analyzing trace with hash -722372961, now seen corresponding path program 1 times [2022-10-15 22:18:55,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:55,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253486591] [2022-10-15 22:18:55,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:55,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:56,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:56,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:56,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253486591] [2022-10-15 22:18:56,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253486591] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:56,132 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:56,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:18:56,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680076619] [2022-10-15 22:18:56,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:56,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:18:56,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:56,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:18:56,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:18:56,134 INFO L87 Difference]: Start difference. First operand 10165 states and 15780 transitions. Second operand has 5 states, 4 states have (on average 29.5) internal successors, (118), 5 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:57,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:57,088 INFO L93 Difference]: Finished difference Result 11158 states and 17250 transitions. [2022-10-15 22:18:57,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:18:57,088 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 29.5) internal successors, (118), 5 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2022-10-15 22:18:57,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:57,103 INFO L225 Difference]: With dead ends: 11158 [2022-10-15 22:18:57,104 INFO L226 Difference]: Without dead ends: 11155 [2022-10-15 22:18:57,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:18:57,108 INFO L413 NwaCegarLoop]: 657 mSDtfsCounter, 595 mSDsluCounter, 852 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 595 SdHoareTripleChecker+Valid, 1509 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:57,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [595 Valid, 1509 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:18:57,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11155 states. [2022-10-15 22:18:57,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11155 to 11092. [2022-10-15 22:18:57,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11092 states, 11063 states have (on average 1.5576245141462532) internal successors, (17232), 11091 states have internal predecessors, (17232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:57,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11092 states to 11092 states and 17232 transitions. [2022-10-15 22:18:57,982 INFO L78 Accepts]: Start accepts. Automaton has 11092 states and 17232 transitions. Word has length 118 [2022-10-15 22:18:57,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:57,983 INFO L495 AbstractCegarLoop]: Abstraction has 11092 states and 17232 transitions. [2022-10-15 22:18:57,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 29.5) internal successors, (118), 5 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:57,983 INFO L276 IsEmpty]: Start isEmpty. Operand 11092 states and 17232 transitions. [2022-10-15 22:18:57,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-15 22:18:57,984 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:57,985 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:57,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-15 22:18:57,985 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-15 22:18:57,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:57,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1664757662, now seen corresponding path program 1 times [2022-10-15 22:18:57,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:57,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792895900] [2022-10-15 22:18:57,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:57,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:58,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:58,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:58,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792895900] [2022-10-15 22:18:58,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792895900] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:58,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:58,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:18:58,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153663015] [2022-10-15 22:18:58,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:58,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:18:58,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:58,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:18:58,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:18:58,166 INFO L87 Difference]: Start difference. First operand 11092 states and 17232 transitions. Second operand has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:59,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:59,221 INFO L93 Difference]: Finished difference Result 11486 states and 17730 transitions. [2022-10-15 22:18:59,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:18:59,221 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2022-10-15 22:18:59,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:59,235 INFO L225 Difference]: With dead ends: 11486 [2022-10-15 22:18:59,236 INFO L226 Difference]: Without dead ends: 11483 [2022-10-15 22:18:59,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:18:59,240 INFO L413 NwaCegarLoop]: 630 mSDtfsCounter, 1224 mSDsluCounter, 1050 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1224 SdHoareTripleChecker+Valid, 1680 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:59,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1224 Valid, 1680 Invalid, 621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:18:59,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11483 states. [2022-10-15 22:18:59,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11483 to 11412. [2022-10-15 22:18:59,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11412 states, 11383 states have (on average 1.5567952209435123) internal successors, (17721), 11411 states have internal predecessors, (17721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:19:00,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11412 states to 11412 states and 17721 transitions. [2022-10-15 22:19:00,014 INFO L78 Accepts]: Start accepts. Automaton has 11412 states and 17721 transitions. Word has length 118 [2022-10-15 22:19:00,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:19:00,015 INFO L495 AbstractCegarLoop]: Abstraction has 11412 states and 17721 transitions. [2022-10-15 22:19:00,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:19:00,015 INFO L276 IsEmpty]: Start isEmpty. Operand 11412 states and 17721 transitions. [2022-10-15 22:19:00,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-10-15 22:19:00,017 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:19:00,017 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:19:00,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-15 22:19:00,018 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-15 22:19:00,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:19:00,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1731691416, now seen corresponding path program 1 times [2022-10-15 22:19:00,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:19:00,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269148698] [2022-10-15 22:19:00,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:19:00,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:19:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:19:00,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:19:00,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:19:00,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269148698] [2022-10-15 22:19:00,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269148698] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:19:00,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:19:00,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:19:00,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906379262] [2022-10-15 22:19:00,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:19:00,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:19:00,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:19:00,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:19:00,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:19:00,198 INFO L87 Difference]: Start difference. First operand 11412 states and 17721 transitions. Second operand has 6 states, 5 states have (on average 23.8) internal successors, (119), 6 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:19:01,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:19:01,614 INFO L93 Difference]: Finished difference Result 14903 states and 23137 transitions. [2022-10-15 22:19:01,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:19:01,614 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.8) internal successors, (119), 6 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2022-10-15 22:19:01,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:19:01,634 INFO L225 Difference]: With dead ends: 14903 [2022-10-15 22:19:01,634 INFO L226 Difference]: Without dead ends: 14900 [2022-10-15 22:19:01,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:19:01,640 INFO L413 NwaCegarLoop]: 278 mSDtfsCounter, 1698 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1698 SdHoareTripleChecker+Valid, 810 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:19:01,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1698 Valid, 810 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:19:01,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14900 states. [2022-10-15 22:19:02,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14900 to 14822. [2022-10-15 22:19:02,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14822 states, 14793 states have (on average 1.561008585141621) internal successors, (23092), 14821 states have internal predecessors, (23092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:19:02,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14822 states to 14822 states and 23092 transitions. [2022-10-15 22:19:02,687 INFO L78 Accepts]: Start accepts. Automaton has 14822 states and 23092 transitions. Word has length 119 [2022-10-15 22:19:02,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:19:02,688 INFO L495 AbstractCegarLoop]: Abstraction has 14822 states and 23092 transitions. [2022-10-15 22:19:02,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.8) internal successors, (119), 6 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:19:02,688 INFO L276 IsEmpty]: Start isEmpty. Operand 14822 states and 23092 transitions. [2022-10-15 22:19:02,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-10-15 22:19:02,690 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:19:02,690 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:19:02,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-15 22:19:02,690 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-15 22:19:02,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:19:02,691 INFO L85 PathProgramCache]: Analyzing trace with hash 306998456, now seen corresponding path program 1 times [2022-10-15 22:19:02,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:19:02,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380790945] [2022-10-15 22:19:02,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:19:02,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:19:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:19:02,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:19:02,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:19:02,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380790945] [2022-10-15 22:19:02,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380790945] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:19:02,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:19:02,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:19:02,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038525464] [2022-10-15 22:19:02,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:19:02,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:19:02,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:19:02,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:19:02,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:19:02,872 INFO L87 Difference]: Start difference. First operand 14822 states and 23092 transitions. Second operand has 6 states, 5 states have (on average 23.8) internal successors, (119), 6 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:19:04,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:19:04,414 INFO L93 Difference]: Finished difference Result 18616 states and 28863 transitions. [2022-10-15 22:19:04,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:19:04,415 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.8) internal successors, (119), 6 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2022-10-15 22:19:04,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:19:04,441 INFO L225 Difference]: With dead ends: 18616 [2022-10-15 22:19:04,441 INFO L226 Difference]: Without dead ends: 18613 [2022-10-15 22:19:04,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:19:04,447 INFO L413 NwaCegarLoop]: 375 mSDtfsCounter, 1467 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1467 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:19:04,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1467 Valid, 903 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:19:04,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18613 states. [2022-10-15 22:19:05,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18613 to 17305. [2022-10-15 22:19:05,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17305 states, 17276 states have (on average 1.5593308636258394) internal successors, (26939), 17304 states have internal predecessors, (26939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:19:05,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17305 states to 17305 states and 26939 transitions. [2022-10-15 22:19:05,741 INFO L78 Accepts]: Start accepts. Automaton has 17305 states and 26939 transitions. Word has length 119 [2022-10-15 22:19:05,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:19:05,741 INFO L495 AbstractCegarLoop]: Abstraction has 17305 states and 26939 transitions. [2022-10-15 22:19:05,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.8) internal successors, (119), 6 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:19:05,741 INFO L276 IsEmpty]: Start isEmpty. Operand 17305 states and 26939 transitions. [2022-10-15 22:19:05,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-10-15 22:19:05,743 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:19:05,743 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:19:05,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-15 22:19:05,744 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2022-10-15 22:19:05,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:19:05,744 INFO L85 PathProgramCache]: Analyzing trace with hash 98146927, now seen corresponding path program 1 times [2022-10-15 22:19:05,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:19:05,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651823277] [2022-10-15 22:19:05,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:19:05,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:19:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:19:05,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:19:05,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:19:05,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651823277] [2022-10-15 22:19:05,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651823277] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:19:05,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:19:05,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:19:05,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881073205] [2022-10-15 22:19:05,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:19:05,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:19:05,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:19:05,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:19:05,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:19:05,934 INFO L87 Difference]: Start difference. First operand 17305 states and 26939 transitions. Second operand has 5 states, 4 states have (on average 29.75) internal successors, (119), 5 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)